Holding a dead person's remains for ransom?

How low can criminals go? Kidnapping for ransom is repulsive, since it preys on the fears of the victim and the victim's family who are forced to give money to the kidnappers in order to get their loved one back.

How how low can someone go, ransoming the remains of a dead person? Here is a case where the ex-president of Cyprus remain were held for ransom!